diff --git a/htdocs/product/card.php b/htdocs/product/card.php
index d58e5f8f742..87e86e8e0bc 100644
--- a/htdocs/product/card.php
+++ b/htdocs/product/card.php
@@ -2099,7 +2099,7 @@ else
 
 				print '<tr><td>'.$langs->trans('DefaultUnitToShow').'</td><td>';
 				if ($unit !== '') {
-					print $unit;
+					print $langs->trans($unit);
 				}
 				print '</td></tr>';
 			}